#28589C#28589C

#28589C is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.4% C 0.122 H 257.6°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#28589C
RGB	rgb(40, 88, 156)
HSL	hsl(215, 59%, 38%)
HSV	hsv(215, 74%, 61%)
CMYK	cmyk(74.4%, 43.6%, 0%, 38.8%)
CIE-LAB	lab(37.53, 8.11, -41.77)
CIE-LCH	lch(37.53, 42.55, 280.99°)
OKLab	oklab(46.38% -0.0263 -0.1194)
OKLCH	oklch(46.38% 0.122 257.6)
XYZ	xyz(10.3634, 9.8297, 32.7972)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28589C #9C6C28

analogous

#28929C #28589C #32289C

triadic

#28589C #9C2858 #589C28

tetradic

#28589C #9C2892 #9C6C28 #289C32

square

#28589C #9C2892 #9C6C28 #289C32

split-complementary

#28589C #9C3228 #929C28

monochromatic

#0F213B #1C3D6B #28589C #3674CB #6795D8

Accessibility & contrast

On white

7.08

#28589C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#28589C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28589C

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28589C	#FFFFFF	#000000	##FFFFFF
##28589C	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375E9F

Deuteranopia (green-blind)

#22539B

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #28589c;
/* rgb */ color: rgb(40, 88, 156);
/* oklch */ color: oklch(46.4% 0.122 257.6);

Tailwind

colors: {
  custom: {
    50: '#7286ba',
    500: '#28589c',
    950: '#000000',
  },
}

SCSS

$custom: #28589c;
$custom-light: #7286ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28589c",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 156
  },
  "hsl": {
    "h": 215.172,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4638,
    "c": 0.1223,
    "h": 257.6
  },
  "luminance": 0.09831
}

Semantic roles & 50–950 ramp

primary

#28589C

secondary

#BE9862

accent

#A145E2

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #28589C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →